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from __future__ import nested_scopes
import unittest
import sys
sys.path.insert(1, "..")
from rpy import *
class ModeConversionTestCase(unittest.TestCase):
def setUp(self):
set_default_mode(NO_DEFAULT)
def testAs_pyArgs(self):
self.failUnlessRaises(ValueError, lambda: r.seq.as_py(4))
self.failUnlessRaises(ValueError, lambda: r.seq.as_py(-2))
self.failUnlessRaises(TypeError, lambda: r.seq.as_py('foo'))
def testAs_py(self):
try:
r.c.autoconvert(NO_CONVERSION)
a = r.c(4)
self.failUnless(a.as_py() == 4)
self.failUnless(a.as_py(PROC_CONVERSION) == 4)
self.failUnless(a.as_py(BASIC_CONVERSION) == 4)
self.failUnless(r['=='](a.as_py(NO_CONVERSION), a))
finally:
r.c.autoconvert(PROC_CONVERSION)
def testAs_pyDefaultArg(self):
set_default_mode(NO_CONVERSION)
a = r.seq(1,3)
b = r.t_test([1,2,3])
self.failUnless(type(a.as_py()) == type(a))
set_default_mode(BASIC_CONVERSION)
self.failUnless(a.as_py() == [1,2,3])
class_table['htest'] = lambda o: 5
set_default_mode(PROC_CONVERSION)
self.failUnless(b.as_py() == 5)
set_default_mode(NO_DEFAULT)
def testDefaultModes(self):
set_default_mode(PROC_CONVERSION)
self.failUnless(get_default_mode() == PROC_CONVERSION)
set_default_mode(CLASS_CONVERSION)
self.failUnless(get_default_mode() == CLASS_CONVERSION)
set_default_mode(BASIC_CONVERSION)
self.failUnless(get_default_mode() == BASIC_CONVERSION)
set_default_mode(NO_CONVERSION)
self.failUnless(get_default_mode() == NO_CONVERSION)
set_default_mode(NO_DEFAULT)
self.failUnless(get_default_mode() == NO_DEFAULT)
def testBadModes(self):
self.failUnlessRaises(ValueError, lambda: set_default_mode(-2))
self.failUnlessRaises(ValueError, lambda: set_default_mode(4))
def testNoDefaultMode(self):
set_default_mode(NO_DEFAULT)
r.t_test.autoconvert(CLASS_CONVERSION)
r.array.autoconvert(NO_CONVERSION)
r.seq.autoconvert(BASIC_CONVERSION)
self.failUnless(type(r.array(1,3)) == type(r.array))
self.failUnless(r.seq(1,3) == [1,2,3])
class_table['htest'] = lambda o: 5
self.failUnless(r.t_test([1,2,3]) == 5)
def testIndividualConversions(self):
set_default_mode(NO_CONVERSION)
r.c.autoconvert(BASIC_CONVERSION)
r.seq.autoconvert(PROC_CONVERSION)
self.failUnless(type(r.c(4)) == type(r.c))
self.failUnless(type(r.seq(1,3)) == type(r.seq))
set_default_mode(NO_DEFAULT)
self.failUnless(r.c.autoconvert() == BASIC_CONVERSION)
self.failUnless(r.seq.autoconvert() == PROC_CONVERSION)
def testClassTable(self):
def f(o):
if len(r['[['](o, 1)) > 2:
return 5
else:
return 'bar'
class_table.clear()
class_table['htest'] = lambda o: 'htest'
class_table['data.frame'] = f
set_default_mode(CLASS_CONVERSION)
self.failUnless(r.t_test([1,2,3]) == 'htest')
self.failUnless(r.as_data_frame([1,2,3]) == 5)
self.failUnless(r.as_data_frame([1,2]) == 'bar')
set_default_mode(NO_DEFAULT)
def testMultipleClassTable(self):
set_default_mode(NO_CONVERSION)
f = r.class__(r.c(4), 'foo')
g = r.class__(r.c(4), ('bar', 'foo'))
class_table['foo'] = lambda o: 'foo'
class_table['bar'] = lambda o: 'bar'
class_table[('bar', 'foo')] = lambda o: 5
set_default_mode(CLASS_CONVERSION)
self.failUnless(f.as_py() == 'foo')
self.failUnless(g.as_py() == 5)
del class_table[('bar','foo')]
self.failUnless(g.as_py() == 'bar')
del class_table['bar']
self.failUnless(g.as_py() == 'foo')
set_default_mode(NO_DEFAULT)
class_table.clear()
proc_table.clear()
def testProcTable(self):
def f(o):
return r['$'](o, 'alternative')
def t(o):
e = r.attr(o, 'names')
if e =='alternative' or \
(type(e)==type([]) and 'alternative' in e):
return 1
return 0
proc_table.clear()
class_table.clear()
proc_table[t] = f
set_default_mode(NO_DEFAULT)
r.t_test.autoconvert(PROC_CONVERSION)
self.failUnless(r.t_test([1,2,3]) == 'two.sided')
proc_table.clear()
class_table.clear()
def main():
unittest.main(__name__)
if __name__ == '__main__':
main()
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